In the process of heat treatment of seamless pipes, various defects will occur due to improper process measures or various other factors, and the existence of these defects directly affects the performance of steel pipes. 1. Crack Heat treatment cracks mainly include quenching cracks, tempering cracks and grinding cracks. When heating some large-sized steel parts and alloy billets, if…
Read MoreBefore purchasing large-diameter straight seam steel pipes (LSAW), you should follow the pre-designed specifications, lengths, materials, wall thicknesses, welding standards and weld requirements, which must be communicated well before purchasing. 1. The first is the specification. For example, 800mm is also called DN800, including 820mm and 813mm of A and B series, or the outer diameter of 800mm must…
Read MoreProject location：Vietnam Product：SMLS PIPE Standard and material：12CrMo Specifications：30*6*6000MM Usage：Boiler pipe Inquiry time：2022.06.01 Order time：2022.06.03 Shipping time：2022.06.28 Estimated arrival time：2022.07.28 At the beginning of June, Xinyue received an inquiry for boiler tubes from an old customer in Vietnam. Due to the tight delivery time, the customer emphasized the delivery time problem at the beginning of the inquiry. Xinyue made the…
Read MoreThe main difference between annealing and normalizing: 1. The cooling rate of normalizing is slightly faster than that of annealing, and the degree of supercooling is larger 2. The structure obtained after normalizing is relatively fine, and the strength and hardness are higher than that of annealing. The choice of annealing and normalizing: 1. For low carbon seamless steel…
Read MoreProject location：Chile Product：ERW steel pipe Standard and material：SANS 657-3 2005 Specifications：101.6~177.8MM Usage：drive shaft Inquiry time：4th Feb, 2022 Order time：5th March, 2022 Shipping time：28th June, 2022 Estimated arrival time：ETA 15TH,AUGUST, 2022 The customer renewed the order and made a new purchase plan before receiving the goods from the previous order. After two weeks of negotiation, the customer is very satisfied…
Read MoreThere are three main connection methods when connecting galvanized pipes, namely wire type, welding type and rolling groove type. 1. If the thread type method is used, the thread buckle cannot be in complete contact with the pipe hoop of the steel pipe, otherwise it is likely to become loose. Before connecting, it is necessary to measure whether the…
Read More1.Improve the anti-corrosion conditions of the medium In order to improve anti-corrosion conditions, the following two methods can be used for cs seamless pipes. ①Remove harmful components in the medium. For example, boiler water is heated to boiling, and then the oxygen is removed before use. ②Add corrosion inhibitor. Corrosion inhibitor is a substance that can slow down the…
Read MoreProject location：Philippine Product：SSAW pipe Standard and material：ASTM A252 Q355B Specifications：OD2024X12MM OD1824X 12MM Usage：piling Inquiry time：2022, 5.12 Order time： 2022 , 6.14 Shipping time：2022. 8.20 Estimated arrival time：2022.9.5 Since January 2018, Xinyue Steel Group has entered the list of suppliers of bridge construction projects in the Philippines, and has actively participated in the design of local bridges, from construction to…
Read MoreXINYUE STEEL GROUP set up several production bases in Tianjin & Hebei Province, manufacturing ERW Steel Pipe, SSAW Steel Pipe, LSAW Steel Pipe, Seamless Steel Pipe, Scaffolding system and couplers, RHS, SHS, etc.
